$ORIGIN {{ zone.origin }}.
@   IN  SOA ns.{{ zone.origin }}. admin.{{ zone.origin }}. (
        2025080201 ; serial
        3600       ; refresh
        1800       ; retry
        604800     ; expire
        86400 )    ; minimum TTL

    IN  NS  ns.{{ zone.origin }}.

ns  IN  A   {{ zone.ns_ip }}

{% for ip in zone.a_records %}
@   IN  A   {{ ip }}
{% endfor %}